[Bf-blender-cvs] [a61fdcd3493] universal-scene-description: USD blendshape import errors for instances.

[Michael Kowalski]

Commit: a61fdcd34930089f19941b3c08394e692b882dd0
Author: Michael Kowalski
Date:   Sun Aug 14 14:24:09 2022 -0400
Branches: universal-scene-description
https://developer.blender.org/rBa61fdcd34930089f19941b3c08394e692b882dd0

USD blendshape import errors for instances.

No longer attempting to create a skel binding on
instance proxies and proxies, as doing so generates
USD errors.

===================================================================

M	source/blender/io/usd/intern/usd_skel_convert.cc

===================================================================

diff --git a/source/blender/io/usd/intern/usd_skel_convert.cc b/source/blender/io/usd/intern/usd_skel_convert.cc
index 9d3ed2b4d83..5c0c7af4812 100644
--- a/source/blender/io/usd/intern/usd_skel_convert.cc
+++ b/source/blender/io/usd/intern/usd_skel_convert.cc
@@ -131,6 +131,12 @@ void import_blendshapes(Main *bmain, Object *obj, pxr::UsdPrim prim)
     return;
   }
 
+  if (prim.IsInstanceProxy() || prim.IsInPrototype()) {
+    /* Attempting to create a UsdSkelBindingAPI for
+     * instance proxies and prototypes generates USD errors. */
+    return;
+  }
+
   pxr::UsdSkelBindingAPI skel_api = pxr::UsdSkelBindingAPI::Apply(prim);
 
   if (!skel_api) {